APH · Amphenol Corporation

Amphenol’s 27% quarter cools on 0.6x volume as valuation stretch moves into focus

APH remains in an active weekly trend and near the top of its 52-week range, but the latest pullback came with thin participation and a wide premium to Sharemaestro Fair Value.

Week of 14 Aug 2026

Price and trend

What changed, and whether the move is confirmed

Weekly price is shown against Sharemaestro’s Trend Line and Fair Value, with participation and market leadership alongside it.

52-week history

Price, trend, and Fair Value

Latest
167.1 USD
vs Trend
14.6%
vs Fair Value
87.4%

The price chart compares weekly close with the Trend Line and Fair Value. APH is shown at 14.6% versus the Trend Line and 87.4% versus Fair Value.

Price Trend Line Fair Value
52 weeks agoLatest week
Participation and leadership

Market Dynamics and Relative Strength

Pressure
0.45
Leadership
7.62

The pressure chart tracks Market Dynamics and Relative Strength together. The latest readings are - for Market Dynamics and - for Relative Strength, with four-week changes of - and -, respectively.

Market Dynamics Relative Strength
52 weeks agoLatest week
Weekly participation

Trading volume

Latest
23.4M
13W avg
40.5M
Ratio
0.6x

The volume profile shows weekly participation across the one-year window. Latest volume is 23.4M versus a 13-week average of 40.5M and a 52-week average of 42.9M.

52 weeks agoLatest week

Price position

Where the shares stand

  • Range location: 84.7%. Shows where the latest close sits between the 52-week low and high.
  • Trend distance: 14.6%. Price premium or discount versus the weekly Trend Line.
  • Fair-value gap: 87.4%. Premium demand or model discount versus Sharemaestro Fair Value.
  • High-water gap: -6.4%. Distance from the latest 52-week high.

Trading activity

Whether volume confirms the move

  • Participation: 0.6x. Latest volume versus the 13-week average.
  • Baseline: 40.5M. 13-week average volume.
  • One-year base: 42.9M. 52-week average volume.

Next checks

What investors should watch

  • Trend Line remains the key weekly regime level.
  • Activity pressure is the gauge to monitor for confirmation or fade.
  • A volume ratio above 1.5x would show stronger participation in the next move.

At a glance

Summary

Audio summaryA short spoken overview of the main findings.

Amphenol closed at $167.1 for the week ended 14 August, down 1.2% after a 10.5% four-week advance and a 26.7% twelve-week gain. The Trend Signal remains active, with price 14.6% above the weekly Trend Line, while volume at 23.4M shares was only 0.6x the 13-week average. The read is constructive but mixed, as momentum is still strong, Market Dynamics are positive but cooling, and the stock trades 87.4% above Sharemaestro Fair Value.

  • APH fell 1.2% on the week but remains up 10.5% over four weeks, 26.7% over twelve weeks and 54.1% over 52 weeks.
  • The stock closed 14.6% above its $145.8 Trend Line and 6.4% below its $178.5 52-week high.
  • Latest volume of 23.4M shares was light at 0.6x the 13-week average and 0.5x the 52-week average.
  • Market Dynamics remain positive, but activity pressure has fallen 32.8% over four weeks, leaving confirmation less forceful.
  • Electronic Components breadth is mixed, with 50.0% active trend signals and only 31.0% positive Market Dynamics, though APH ranks strongly on twelve-week performance.

Company analysis

The move in context

Price action pauses after a strong run

Amphenol, the $183.0B Technology company in the Electronic Components industry, ended the latest week at $167.1, down 1.2%. That dip did little to erase the broader advance: APH is still up 10.5% over four weeks, 26.7% over twelve weeks and 54.1% across the past year.

The stock sits at 84.7% of its 52-week range, 6.4% below the $178.5 high and well above the $104.0 low. It also remains 14.6% above the $145.8 weekly Trend Line, keeping the Trend Signal active for a ninth consecutive week and active in 43 of the past 52 weeks.

Signal state is constructive, but confirmation has thinned

Sharemaestro’s setup signature is a Balanced read with a composite score of 65. The positive side is clear: the trend backdrop is active, price remains above the key weekly regime level, Market Dynamics are still positive, and Relative Strength remains in positive territory.

The weaker point is participation. Latest volume was 23.4M shares, below the 40.5M 13-week average and the 42.9M 52-week average. Activity pressure sits at 0.45, but its four-week change is negative at 32.8%, so the move no longer has the same force that accompanied heavier-volume weeks in late May and June.

Sector and industry context shows APH winning over twelve weeks, not the latest week

The latest weekly move lagged its groups. US Technology averaged a 2.9% gain for the week, while US Electronic Components averaged 2.6%. APH’s 1.2% decline ranked 79th in the 100-stock Technology group and 27th among 42 Electronic Components names for the week.

The medium-term comparison is stronger. APH’s 26.7% twelve-week gain ranks fourth in its industry, far ahead of the Electronic Components average of negative 0.6%, and also ahead of the Technology sector’s 6.4% twelve-week average. Industry breadth is still uneven, with 50.0% active trend signals, 31.0% positive Market Dynamics and 59.5% positive Relative Strength.

Valuation stretch and reversal risk are the clean watch points

The main risk is not a broken trend, but how far the stock has travelled. APH trades 87.4% above Sharemaestro Fair Value of $89.19, which leaves less room for disappointment if momentum fades. The risk panel also shows 13 recent reversal markers, 13-week weekly-return volatility of 5.6%, and a fairly balanced one-year up/down split of 28 positive weeks and 24 negative weeks.

Next, the $145.8 Trend Line remains the key weekly regime level. A renewed rise in activity pressure would improve confirmation, while a volume ratio above 1.5x would show stronger participation in the next meaningful move. Without that, the stock can remain technically constructive while still vulnerable to cooling near the upper end of its range.

Peer comparison

How the wider group is behaving

Breadth shows how much of the sector or industry is participating. A company move is more convincing when its peers are improving too.

US Technology

100 tracked companies

Above Trend Line62.0%

Positive Relative Strength55.0%

US Electronic Components

42 tracked companies

Above Trend Line50.0%

Positive Relative Strength59.5%

Balanced view

What supports the case, and what could weaken it

What is working

  • The trend backdrop is active with a 9-week active streak.
  • Price is above the Trend Line, keeping the weekly tape constructive.
  • Price is above Fair Value, showing premium demand versus the model.
  • Activity pressure is positive on the latest completed week.
  • Next-week expectancy is positive at 56.69% based on similar historical setup states.

What needs caution

  • 13 reversal markers appear in the recent smart-money tape.

Research note

This article is for educational market research only and is not financial, investment, trading, tax, or legal advice. Sharemaestro does not make buy, sell, or hold recommendations.

Source and attribution

Source: Sharemaestro. Canonical article: https://sharemaestro.com/news/amphenol-27-quarter-light-volume-valuation-stretch/.

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